On OS X, applications are built and run from a bundle: a single directory that contains the application binary and all its dependencies. In the finder, these bundles are viewed as .app special directories.
When running gallery-desktop from Qt Creator, the application is already bundled in a .app file. Because we are using a custom library, called gallery-core, this gallery-desktop.app does not contain all the dependencies, and Qt Creator handles it for us.
What we aim to create is a script that completely packages gallery-desktop (gallery-core included) in a .dmg file, an OS X disk image file that is mounted upon executionn and lets the user install the application with ease.
To achieve this, Qt provides the macdeployqt tool, which gathers the dependencies and creates the .dmg file.
First, check that your environment variables are correctly set, as shown in...
